Tool for making and applying wire clamps.



E. M. OOGHLAN. TOOL FOR MAKING AND APPLYING WIRE CLAMPS.

APPLIOATION FILED MAY 1, 1908.

Patented NW. 3, 12988.

IN VEN TOR:

WITNESSES ATTORNEY.

EDWARD M/COGHLAN, OF INDIANAPOLIS, INDIANA.

'rooL non. MAKING AND APPLYING WIRE cLAi/rrs.

Specification of Letters Patent.

Patented Nov. 3, 1908.

Application filed May -1, 1908. Serial No, 430,289. I

To all whom it may concern:

Be it known that I, EDWARD M. CoeHLAN, a citizen of the United States, residing at Indianapolis, in the county of Marion and State of Indiana, have invented certain new and useful Improvements in Tools for Makand Applying Wire Clamps; and I do declare the following to be a'full, clear, and

exact description of the invention, reference being had to the accompanying drawings, and to the letters and figures of reference marked thereon, which form a partof this specification.

This invention relates to hand tools for forming clamping devices of wire and scour-- ing them on rubber hose whereby to connect couplings or thimbles or piping to the hose,

the invention having reference particularly to a toolwhereby the wiremay be drawn tightly about the hose to form a clamp so as to clamp the hose tightly to any metallic object, such as a pipe.

The object of the inven ion is to provide means whereby couplings may be securely attached to rubber hose, or'whereby broken hose may be mended by clamping two parts on a nipple, a further object being to provide a relatively cheap, effective and durable and economical tool for mending hose, or for similar purposes as above mentioned.

The invention consists in a new and useful tool for makin and applying wire clamps, and comprising-two relatively movable main parts, one part of which is adapted to form a part of the clamp and to engage such part in operation, and the other part of the toolbeing adapted to have portions of the clamp wire connected thereto to draw the clamp tightly in the desired position; and the invention consists further in certain novel parts, and in the combinations and arrangements of parts, as hereinafter particularly described and defined in the accompanying claims.

Referring to the drawings, Figure 1 1s a perspective view of the tool Fig. 2, a fragmentary longitudinal sectional view of the tool; Fig. 3, a fragmentary side view of the tool placed in position for use in connection witha partiallyformed wire clamp that is,

connected to a hose; Fig. 4, a plan view of a partially formed clamp; Fig. 5, a perspective View of the combined handle and lever portion of the tool; Fig. 6,' a perspective view of the main body part of the tool; Fig. 7 a perspective view of the pushbar of the guide-head tool; Fig: 8, a front view of the push bar;

structed substantially in accordance with the invention, comprises a guide-head 1,

having a guide-way 2 therein, and two sidebars 3 and 3 formed integrally with the guidehead, and having a screw -head 4 formed on the ends thereof and provided with internal screw threads 5, the guidehead 1 having knobs 6 and 6 on the outer side of two opposite side portions thereof. A handle shaped lever 7 has external screw threads 8 thereon that engage the screwthreads 5, so that the lever may exert force longitudinally by rotating it in screw-head 4. The lever is hollow and has screw-threads 9 therein.

, The push-bar comprises a head' 10, having a shank 11 that is guided in the guide-way 2, the shank having a cylindrical end portion provided with, screw-threads 12 that engage the screw-threads 9 in the lever. The screwthreads 9 are diiferent from the screwthreads 8, either being formed as right-hap'd, threads and the other as left-hand threads, so that when the lever is rotated, so as to move it towards the guide-head 1, it will force the head 10 away from the guide-head 1. The

shankll is provided with a stop-pin 13 that is driven tightly into a hole 14 in the shank, and the stop-pin is designed to engage the 1 to. limit the movement of the push-bar. The head 10 is oblong in cross section, and has a longitudinal groove 15 in 1 its face, and preferably has also recesses 16 and 16 in the opposite ends that extend from the groove. Also the head preferably has two notches 17 and 17 at the sides of the groove 15 near one end of the groove. In' some cases also, a relatively deep notch 18 is formed in the head 10 transversely of the groove 15 and somewhat deeper than the groove to receive the wire when it is desired to form a relatively narrow clamp.

In' practical use a piece of wire is used of suitable length, and its middle portion is placed in the groove 15 to form a loop-bar so that a staple shaped loop is formed, which may be readily bent loosely about so as to form two loops 21 and 21 around a hose 22 or two parts 22 and 22 that may be placed on a pipe, as 23, the ends of the piece of wire being drawn under the bar 1.9 and wrapped around. the knobs 6 and 6', after which the head 10 may be advanced so as to bear against the bar 19, and then by turning handle lever 7, the push-bar and the main body part of the tool will be moved apart, resulting in forcing the bar, 19 in one direction and drawing the ends of the clamp wire in the opposite direction, and when the loops or bands are drawn sutliciently tight on the hose, the tool should be moved partially about the bar 19 as on. a pivot so as to form hooks and 24C engaging the bar 19, after which the surplus wire of the ends 20 and 20 may be cut off and, the tool released, leaving a perfectly formed and tight fitting clamp on the hose substantially as shown in Fig. 10.

If it is desired to form loops or bands closer together, the bar 19 may be formed in the groove with either end portion or 20 drawn through the notch or gap 18, and the tool may be operated as above described, and if a still narrower clamp is desired, the bar 19 may be formed in the notches 17 and 17 so to extend across the roove 15, and in this case the notches will receive bar 19 when applying the clamp to the hose, and the ends of the wire can be connected to the knob 6. In some cases, however, the tool may be adapted to form only the one size of clamp as shown in Fig. 3.

l-laving thus described the invention What Y is claimed as new, is-

1. A. tool, for making and applying Wire clamps, including a main body part having a guide-head on one end thereof, a push-bar guided inovably by the guide-head and having head thereon that has a longitudinal groove in the extremity thereof and also a notch transverse to the groove, means for connecting the two ends of a wire to this body part, and means for moving the body part and the other.

2. A tool, for making and applying wire clamps, including a mam body'part having a guide-head on one end and a screw-head on the opposite end thereof, a combined handle and lever connected with the screw-head and movable toward or from the guide-head, a push-bar guided by the guide-head and having a grooved head thereon, the push-bar be ing in engagement with the handle and lever and movable thereby relatively to the body part, and means for connecting the two ends of a wire to the body part.

3. A. tool, for making and applying Wire clamps, comprising a main body part having a guide-head and a screw-head connected together by two side bars, the guide-head hav ing a guide-way therein and the screw-head having screw-threads therein, the body part having two knobs on opposite sides thereof;

push-bar relatively one to the a hollow combined handle and lever having external screw-threads on one end thereof engaging the screw-th-reads of the screwhead, the handle and lever having internal screw-threads therein that differ from the external screw-threads in direction of pitch;

end portion that extends into the hollow handle and lever and is provided with screwthreads that engage the screw-threads therein, the head of the push-bar having a groove in the extremity thereof and also two notches at the sides of the. groove, said head having also a relatively deep notch therein arranged transversely of the groove.

In testimonywhereof, I aflix my signature in presence of two witnesses.

, EDlVAPrI) M. COGHLAN. Witnesses HARRY I). lrnnson, E. T. SILVIUS. 

